Company email:
"Thanks for your interest in Duck-Rabbit beer. You're right, the Milk Stout wouldn't be a vegan choice. Also, when we make cask conditioned beers (served in a firkin) we usually condition those with honey. Everything else in our portfolio contains nothing to which a vegan would object."

Company email:
"There's lactose in the Milk Stout, so vegans might not prefer that. Nothing else objectionable to vegans in any of the other beers (no isinglass or gelatin etc.)"